Yoo Yeon-seok

Ahn Yeon-seok (born April 11, 1984), better known by the stage name Yoo Yeon-seok, is a South Korean actor. After making his acting debut in 2003 with a small role in Oldboy, he resumed his acting career in 2008. His notable works include the films Re-encounter (2011), Architecture 101 (2012), A Werewolf Boy (2012), Whistle Blower (2014), and Love, Lies (2016), as well as the television series Reply 1994 (2013), Dr. Romantic (2016), Mr. Sunshine (2018), Hospital Playlist (2020–2021), and When the Phone Rings (2024).
Cast

Old Days
Self

Re-encounter
Han-soo

A Werewolf Boy
Ji-tae

Horror Stories
Kidnapper

Born To Sing
Dong-soo

The Whistleblower
Shim Min-ho

The Royal Tailor
King Yeong-jo

The Beauty Inside
Woo-jin 123

Perfect Proposal
Lee Sung-yeol

Architecture 101
Jae-wook

Mood of the Day
Kim Jae-hyun

Oldboy
Young Woo-jin

Hwayi: A Monster Boy
Park Ji-won

Love, Lies
Kim Yoon-woo

No Other Choice
Oh Chin-ho

A Quiet Dream
Man on a Motorcycle

Money Show
Man

Hoya
Ho-Ya

Steel Rain 2: Summit
Jo Seon-sa

New Year Blues
Jae-heon

Two Weddings and a Funeral
Joon

My Heart Puppy
Min-soo

Vanishing
Park Jin-ho

Moscow
Unknown

Homicide Sonata
Unknown